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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

weird knocking sound

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Old Jul 10, 2005 | 04:32 PM
  #1  
881504x4's Avatar
881504x4
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weird knocking sound

i have an 88 F150 4x4 with a 302 V8. i had to replace the belt tensioner about a year ago and so that noise went away but now recently i have started to hear this weird knocking sound. i have no idea where its comeiong from or what it is. anyone have any suggestions ideas or comments?
 
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Old Jul 10, 2005 | 06:18 PM
  #2  
handyman43358's Avatar
handyman43358
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From: West Mansfield, Ohio
Take your belt off and start it only for a few seconds and see if it goes away. My smog pump makes a knockin noise cause I think the bearings are out, but I'm not worried about replacing it.
 
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Old Jul 11, 2005 | 02:53 PM
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BlackF1504x4's Avatar
BlackF1504x4
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From: saginaw michigan
i had a weird knocking sound and had to put new main and rod berrings in last night lol
 
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Old Jul 11, 2005 | 05:27 PM
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oneofakind97
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i had a weird knocking and shaking this morning when i started my truck, but it quickly died out. Maybe we have the same problem?
 
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